The headphone port is indeed self sealing. Source A)IP67 cert B)YouTube videos C)I submerged my own in a glass bowl filled with water and it lived just fine unscathed to allow me to author this post.

Love, from GS5 locked bootloader hell.

i just bought mine and i took it for a test in the pool and took pics and video and i opened to see if water got inside and yes some drops where inside but not in the important area so i dry it close it and it was good until later i try to see the pics and the screen went wild and then the horror screen went from white to black and that was it i try to dry it with hairdryer nothing i came back to live for a sec only to do the same then the rice trick nothing now is all black i can hear the phone respond but no image and im in despair since att told me warranty is void cuz the water indicator is red so im f up. Can someone help me out with some miraculous fix for this problem please i just bought it and im beyond broke. I got isopropyl alcohol if i dunk it without the battery of course will the acohol damage the amoled lcd or the camera or anything? if i dry it well will it come back to life or will the lcd digiticer permanetly dead ? HELP ME OUT HERE PLEASE

Let's see. You knew you could not afford another phone. Yet, you wanted to test it by going swimming?

I don't know about the alcohol, but maybe the phone will come around once it's fully dry.

But regardless, I hope you learned your lesson here. Although these phones and some cases are supposed to be resistant, that doesn't mean we should be taking our phones in showers or going swimming with them around here. Every phone is not built the same, or how it should be, and someone's phone eventually was going to fail.

A)IP67 cert = Dust proof / Water Resistant in 3ft of water for up to 30min. I'm guessing you went deeper than 3ft. They advertise splashes and accidental sink/toilet drops. It's not an active phone or underwater camera and nobody said or advertised it as such.

I don't wish your phone to be dead. The best thing you can do is NOT power it on and let it sit in rice for 48hrs. Don't be impatient, let it sit. You've continued to power it on shortly after the immersion so I would manage your expectations, It may be done.

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